*{
    margin: 0;
    padding: 0;
}
ul,ol{
    text-decoration: none;
}
a{
    text-decoration: none;
}
body{
    background: url(../image/注册界面背景图.jpg);
}
#regist_box{
    top:50%;
    left: 50%;
    transform: translate(-50%,-50%);
    padding: 130px 70px;
    background-color: #00000080;
    border-radius: 10px;
    position: absolute;
}
.title{
    color:#fff;
    position: relative;
    text-align: center;
    bottom: 50px;
}
.input_box input{
    background: none;
    outline: none;
    border: 2px #8abdff solid;
    border-radius: 15px;
    padding: 5px 25px;
    text-align: center;
    color:#fff;
    transition: .3s;
}
.input_box input:hover{
    border: 2px #1d7fff solid;
}
.input_box{
    margin-bottom: 10px;
}
.regist_btn{
    position: relative;
    text-align: center;
    line-height: 50px;
    width:180px;
    height:50px;
    color:#fff;
    margin-left: 20px;
    margin-top: 60px;
    border-radius: 25px;
    background: linear-gradient(90deg,	#00BBFF,#FF7744,#FFFF00,	#33CCFF);
    background-size: 400%;
    z-index: 1;
}
.regist_btn::before{
    content:'';
    position: absolute;
    left:-5px;
    top:-5px;
    right:-5px;
    bottom:-5px;
    background: linear-gradient(90deg,	#00BBFF,#FF7744,#FFFF00,	#33CCFF);
    background-size: 400%;
    border-radius: 25px;
    filter: blur(20px);
    z-index: -1;
}
.regist_btn:hover::before{
    animation:sun 8s infinite;
}
.regist_btn:hover{
    animation:sun 8s infinite;
}
@keyframes sun{
    100%{
        background-position: -400% 0;
    }
}

